condition mean min max 12pM Fe,Midday 42.399 42.399 42.399 12pM Fe,Midnight 43.0594 35.8258 50.293 58pM Fe,Midday 32.2409 32.2409 32.2409 58pM Fe,Midnight 41.42708571428571 0.0 69.0152 233pM Fe,Midnight 28.303533333333334 27.9257 28.8803 1160pM Fe,Midday 34.63207142857143 27.0604 44.1 1160pM Fe,Midnight 22.849016666666667 13.3327 32.6765 High carbon,Dark 33.59902266666666 8.09728 57.1967 High carbon,Light 37.51428923076923 3.12011 73.3617 Low carbon,Dark 27.9893 27.9893 27.9893 Phloroglucinol 28.137633333333333 23.6624 31.4127 Silicon starvation,12h 63.7017 63.7017 63.7017